Survey on Households and the Environment Classification by characteristics of the dwelling Percentage of dwellings, by type of municipality and type of energy used Units: % over the total number of dwellings ;With one of the following energy sources;Electrical energy;Channelled gas;Liquid Petroleum Gases / Gas tank;Wood;Liquid fuels;Other source of energy or fuel :Total;Other source of energy or fuel: Of this solar energy; TOTAL;100.0;100.0;40.5;42.1;6.7;12.5;8.1;0.9; Provincial capitals and municipalities with more than 100,000 inhabitants;100.0;100.0;56.8;28.3;1.2;8.7;7.1;0.6; 50,000 to 100,000 inhabitants;100.0;100.0;40.4;41.8;4.0;4.5;7.8;1.0; 20,000 to 50,000 inhabitants;100.0;100.0;33.2;49.2;5.3;8.1;8.2;1.2; 10,000 to 20,000 inhabitants;100.0;100.0;29.6;52.1;7.0;13.2;7.4;1.5; Fewer than 10,000 inhabitants;100.0;99.9;17.8;60.6;19.7;26.1;10.7;1.1; Notes: Source: National Statistics Institute